Campanian

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91	PDF Document Add to Reading List Source URL: digitallibrary.amnh.org Language: English - Date: 2011-06-22 16:38:49 Ammonitida Didymoceras Nostoceratidae Eubostrychoceras Baculites Scaphites Pierre Shale Campanian Ammonoidea Mesozoic Phanerozoic Ammonites
92	PDF Document Add to Reading List Source URL: robertmsullivanphd.com Language: English - Date: 2012-08-17 21:41:50 Cretaceous Ankylosaurs Ceratopsids Maastricht Campanian Alaskacephale Maastrichtian Nodocephalosaurus Saurornitholestes Mesozoic Phanerozoic Pachycephalosaurs